90088448 has 22 divisors (see below), whose sum is σ = 180090966. Its totient is φ = 45043712.

The previous prime is 90088441. The next prime is 90088463. The reversal of 90088448 is 84488009.

It can be written as a sum of positive squares in only one way, i.e., 89718784 + 369664 = 9472^2 + 608^2 .

It is not an unprimeable number, because it can be changed into a prime (90088441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42965 + ... + 45012.

It is an arithmetic number, because the mean of its divisors is an integer number (8185953).

Almost surely, 2^90088448 is an apocalyptic number.

It is an amenable number.

90088448 is a deficient number, since it is larger than the sum of its proper divisors (90002518).

90088448 is an equidigital number, since it uses as much as digits as its factorization.

90088448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87997 (or 87979 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 41.

The square root of 90088448 is about 9491.4934546677. The cubic root of 90088448 is about 448.2872307715.

The spelling of 90088448 in words is "ninety million, eighty-eight thousand, four hundred forty-eight".